Designed For 1961-65 Chevrolet W Series 348/409ci Big Block Engines Original Port Locations & Valve Angles For Bolt-On Convenience CNC Port Matched 220cc Intake & 90cc Exhaust Ports For Optimum Flow & Power Improved Port Design For More Performance Perimeter Bolt Mounting Style Natural Aluminum Finish Hardened Spring Cups, Screw-In Rocker Studs & Hardened Guideplates May Be Used On 348ci Engines With Valve Lifts Up To . These Edelbrock Performer RPM 348/409 Chevy cylinder heads have been specifically designed for the 1961-1965 Chevy W Series 348/409 big block engines. These Performer RPM heads feature aluminum construction with original port locations and valve angles for easy bolt-on installation. The CNC port-matched 220cc intake runners and 90cc exhaust ports optimize flow and power throughout the entire rpm range. With their improved port design, the Edelbrock Performer RPM 348/409 Chevy cylinder heads are sure to easily add horsepower to your Chevrolet's engine.
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
